watch your back

watch (someone's) back

To be willing and prepared to help or defend someone; to look out for someone in case they need assistance. Don't worry about those thugs, buddy. I'll watch your back if they ever come bother you again. You can always rely on your parents to watch your back.
See also: back, watch
Farlex Dictionary of Idioms.

watch your (or someone's) back

protect yourself (or someone else) against danger from an unexpected quarter.
See also: back, watch
Farlex Partner Idioms Dictionary
See also:
  • accompany (one) on a/(one's) journey
  • accompany on a journey
  • a dog in the manger
  • a stranger to (someone or something)
  • be out of (one's) league
  • be out of somebody's league
  • be in bad with (someone)
  • (one) puts (one's) pants on one leg at a time
  • bargain
  • bargain for (someone or something) with (someone)
References in periodicals archive
"Watch Your Back and the film were inspired by my life story - I was a doorman for about 10 years during the 1980s for pubs across Coventry.
Bouncer's book is to be a movie; FILM: Geoff's memories of city club scene head to big screen as new book published
A prison officer was warned 'watch your back' after a colleague made a complaint against her which was later said to be forced.
'WATCH YOUR BACK' CLAIM
Hope you rot!" She later added: "Watch your back, we've got you on camera.
Raiders drive Ant's wife mad
Sandra said: "With Meryl, when this whole thing started, I left her a voice mail going, 'You've got to watch your back. I'm gonna take you down.' Then she sent me dead orchids and told me to die."
Depp's Roll of honour; the Razz
ONE TO WATCH: Watch Your Back (left) is Garry's nap at Ayr
DEL'S THE BOY; Gator eats up opposition in Craven
But yesterday, her partner Nick Kroll jokingly posted on Twitter: "Hey Bono, watch your back."
Amy's boy tells Bono to 'watch out'
WATCH YOUR BACK: Jim Furyk could be letting Tiger Woods know about the threat to his No.1 role
GOLF: US OPEN SPECIAL: Woods faces fight to rule the world
The singer claims his message collection includes one that warns, `You better watch your back, because you are seriously f***.'
WHAT'S HOT: MESSAGE FROM A BOTTLE BLONDE
I want to get more involved in this cause, so I'm going to read all the newspapers while I'm in Athens planning my wedding." Watch your back, Kofi Annan.
3am BACKSTAGE AT HYDE PARK: Paris Hilton
WATCH your back Gameboy, another new handheld device is after your gaming crown.
Amy's i: Net News
Better watch your back Joni, no-one messes with the big 'M'.
3am: Joni Mitchell
He says: "Anyone could have wandered in, so we needed adequate men on the door." Quite, Michael, what with all those investment bankers living nearby, it's best to watch your back (not to mention the silver).
SUZY in the CITY: Flash Geezer